9000-Series
2406 E. University Ave.
Urbana, IL 61802
Voice 217.344.1243 • Fax 217.344.1245
www.cobaltdigital.com
Manual Supplement
OPT-SW-AMX-MS (V2.1)
Cobalt Digital Inc.
Audio Mixer Bus (+AMx) Option
Copyright
©Copyright 2010, Cobalt Digital Inc. All Rights Reserved.
Duplication or distribution of this manual and any information contained within is strictly prohibited without the express written
permission of Cobalt Digital Inc. This manual and any information contained within, may not be reproduced, distributed, or
transmitted in any form, or by any means, for any purpose, without the express written permission of Cobalt Digital Inc.
Reproduction or reverse engineering of software used in this device is prohibited.
Disclaimer
The information in this document has been carefully examined and is believed to be entirely reliable. However, no responsibility
is assumed for inaccuracies. Furthermore, Cobalt Digital Inc. reserves the right to make changes to any products herein to improve
readability, function, or design. Cobalt Digital Inc. does not assume any liability arising out of the application or use of any
product or circuit described herein. This manual is a supplement and is incomplete unless used with an Owner’s or Product
Manual. Refer to the applicable Product Manual for complete personnel protection and equipment safety information.
Trademark Information
Cobalt
®
is a registered trademark of Cobalt Digital Inc.
COMPASS™ is a trademark of Cobalt Digital Inc.
DashBoard™ and openGear™ are trademarks of Ross Video Limited. Dolby
®
is a registered trademark of Dolby Laboratories,
Inc. Other product names or trademarks appearing in this manual are the property of their respective owners.
OPT-SW-AMX-MS (V2.1)
Manual No.: OPT-SW-AMX-MS
Document
Version: 2.1
Release Date: June 9, 2010
OPT-SW-AMX-MS (V2.1) AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT 1
Chapter 1
Overview
This manual supplement provides descriptions and operating instruction for
the Audio Mixing Bus (+AMx) Option on Cobalt
®
COMPASS™
(9000-Series) cards equipped with this option. This option is can be purchased
upon initial order, or field-activated using a key string which is sent to you
when this option is purchased.
Additional functions, displays, and/or controls for the Audio Mixing Bus
Option are described in this supplement. Refer to the card Owner or Product
Manual for all other information pertaining to the card.
Note: Generic information provided here in examples may include functionality not
present on a particular card (for example, discrete AES input/outputs
described here which may not be present on some cards).
Audio Mixing Bus Functional Description
(See Figure 1.) This function provides a 6-to-1 x 6 mixer that allows six
groups of any six audio inputs to be mono-mixed into six independent mono
buses (
Mix Bus A thru Mix Bus F). As such, each of 36 available input channels
can be sourced from any of the audio types handled by a particular card (e.g.,
AES, embedded, analog, or Dolby
®
decoded channels where available) and
mixed into six groups that in turn can be directed to AES or embedded output
channels.
Figure 2 shows the Audio Mixing Bus DashBoard™ controls.
Note: • This function does not accept undecoded Dolby
®
encoded channels as input
sources.
• Descriptions and examples here show full audio source/destination capabili-
ties. Actual signal input/output capabilities depend on the card model.
2 AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT OPT-SW-AMX-MS (V2.1)
Figure 1 Audio Mixing Bus Block Diagram
Bus Inputs
1
2
•
•
•
6
BUS A
Σ
BUS B
Σ
BUS C
Σ
BUS D
Σ
AES Ch1 - Ch 16
AN-AUD Ch 1- Ch 8
Emb Ch 1 - Ch 16
Mono Mix
DM-L/DM-R Mix
Mix Buses (A–F)
1
2
•
•
•
6
1
2
•
•
•
6
1
2
•
•
•
6
Emb Ch 1 –
Ch 16 OUT
AES Ch 1 –
Ch 16 OUT
6-to-1 X 6 Audio Mixing
Standard Card Audio Routing
MIX BUS A
MIX BUS B
MIX BUS C
MIX BUS D
BUS E
Σ
1
2
•
•
•
6
BUS F
Σ
1
2
•
•
•
6
MIX BUS E
MIX BUS F
OPT-SW-AMX-MS (V2.1) AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT 3
Figure 2 Audio Mixing Bus DashBoard™ Controls
•
•
•
•
•
•
Bus A
Input
Controls
Identical to the card standard audio parametric controls,
each mixer input channel has Source selection, Gain,
Phase, and Muting controls
6-1x6Mix1B.png
•
•
•
•
•
•
Bus B
Input
Controls
Bus F
Input
Controls
4 AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT OPT-SW-AMX-MS (V2.1)
Activating the Audio Mixing Bus Optional Feature
Your card may need activation of this feature by means of a key code which is
received from Cobalt
®
when you purchase this feature.
Presence of this feature of your card is denoted by the tab
appearing when the card is opened in DashBoard™.
If this tab does not appear, select the tab and activate
the feature as described below.
Licensable Features
Allows activation of optional licensed features.
Note: For card pre-ordered with licensed feature(s), the activation steps described below are not required; the feature will
already be installed activated. To order features and obtain a license key, contact Cobalt
®
sales at
[email protected] or at the contact information in your Product Manual. Please provide the “SSN” number of your
card (displayed in the Card Info pane) when contacting us for your key.
• License Feature Key Entry window Activate licensable feature as described below.
1. Enter the feature key string in the Feature Key box. Press return or
click outside of the box to acknowledge entry. (Entry of a particular key
validates activation as well as selects the Audio Mixing Bus feature if
multiple optional feature are available for a particular card.)
Note: Entry string is case sensitive. Do not enter any spaces.
2. In the DashBoard™ Card Info pane, wait for Valid Key Entered to be
displayed. This indicates the key was correctly entered and recognized
by the card.
Note: If DashBoard™ card function submenu/control pane does not
re-appear, close the card and re-open it.
3. Click and confirm Reboot. When the card function submenu/control
pane appears again, the licensable feature will be available.
Note: Applying the licensable feature and its reboot has no effect on
prior settings. All control settings and drop-down selections are
retained.
OPT-SW-AMX-MS (V2.1) AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT 5
Audio Mixing Bus Submenu List and Descriptions
Table 1 individually lists and describes the Audio Mixing Bus controls
available using DashBoard™ for cards equipped with this feature option.
Where helpful, examples showing usage of a control are also provided.
Note: Audio format choices here show full audio source/destination capabilities.
Actual format input/output capabilities depend on the card model.
Note: All numeric (scalar) parameters displayed on DashBoard™ can be changed
using the slider controls, arrows, or by numeric keypad entry in the corre-
sponding numeric field. (When using numeric keypad entry, add a return after
the entry to commit the entry.)
Table 1 Audio Mixing Bus Control List and Descriptions
Audio Mixing Bus Controls
Selects the audio source for each of six inputs for mono
mix buses A thru F (36 input channels total). Also
provides Gain, Phase Invert, and Muting controls for
each mixer input channel.
• Input Channel Source Using the Source drop-down list, selects the audio input source to be
routed to the corresponding input channel from the choices described
below.
• Embedded Ch 1 thru Ch 16 as Source Embed Ch 1 thru Embed Ch 16 range in Source drop-down list routes an
embedded channel (Ch 1 thru Ch 16) to be the source for the selected
mixer input channel.
(In this example, Embed Ch 1 (embedded Ch 1) is the source for
destination Bus A, Input 1)
• AES Ch 1 thru AES Ch 16 as Source AES Ch 1 thru AES Ch 16 range in Source drop-down list routes a
discrete AES channel (Ch 1 thru Ch 16) to be the source for the selected
mixer input channel.
(In this example, AES Ch 1 is the source for destination Bus A, Input 1)
• Analog Ch 1 thru Ch 8 as Source Analog Ch 1 thru Analog Ch 8 range in Source drop-down list routes a
balanced-input analog channel (Ch 1 thru Ch 8) to be the source for the
selected mixer input channel.
(In this example, Analog Ch1 is the source for destination Bus A, Input 1)
•
•
•
•
•
•
•
•
•
6 AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT OPT-SW-AMX-MS (V2.1)
(continued)
• Dolby
®
Decoded Channel as Source (-DEC models only) Dolby Ch 1 thru Dolby Ch 8 range in Source
drop-down list enables a Dolby
®
decoded channel to be the source for the
selected mixer input channel.
(In this example, Dolby
®
decoded Ch 1 is the source for destination Bus
A, Input 1)
Note: Drop-down choices of Ch 1 thru Ch 8 and Mix 1/Mix 2 represent
maximum channels available. Actual active channel complement is
per received Dolby
®
format and upstream encoding. Inactive
channels should not be used.
• Tone Generator 1 thru 4 as Source Tone Generator 1 thru Tone Generator 4 range in Source drop-down list
enables one of four tone generators (Tone 1 thru Tone 4) to be the source
for the selected mixer input channel.
(In this example, Tone 1 (tone generator 1) is the source for destination
Bus A, Input 1)
• Silence (Mute) as Source Silence selection in Source drop-down list mutes the selected mixer input
channel. Use this setting for unused input channels.
(In this example, silence (muting) is applied to Bus A, Input 1)
Note: Factory card preset sets all input channels to Silence setting.
• Gain (dB) Control Adjusts and displays relative gain (in dB) applied to the corresponding
mixer input channel.
(-80 to +40 dB range in 0.1 dB steps; unity = 0.0 dB)
Table 1 Audio Mixing Bus Control List and Descriptions — continued
•
•
•
OPT-SW-AMX-MS (V2.1) AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT 7
(continued)
• Mute Control Allows pushbutton On/Off input channel muting while saving all other
settings.
• Phase Control Selects between Normal and Invert phase (relative to source original
phase) for the mixer input channel.
Bus Output Routing
Routing of the six mono-mixed bus outputs (Mix Bus A
thru Mix Bus F) is performed the same as routing any
other source to a destination embedded or AES output
channel as described below.
• Bus Output Routed To Embedded Channel Using the Source drop-down list in the Embedded Audio Group 1/2 or
Embedded Audio Group 3/4 tab, any of the six mono-mix buses
(Mix Bus A thru Mix Bus F) can be routed to selected destination output
embedded channel.
The parametric controls for the destination embedded output channel
serve as the post-mix master controls for the mono-mix bus.
• Bus Output Routed To AES Channel Using the Source drop-down list in the AES Audio Out Pairs 1-4 or
AES Audio Out Pairs 5-8 tab, any of the six mono-mix buses (Mix Bus A
thru Mix Bus F) can be routed to selected destination output AES
channel.
The parametric controls for the destination embedded output channel
serve as the post-mix master controls for the mono-mix bus.
Table 1 Audio Mixing Bus Control List and Descriptions — continued
Bus Output Routing
8 AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT OPT-SW-AMX-MS (V2.1)
Audio Mixing Routing Example
Figure 3 shows an example of using the Audio Mixing Audio Mixing Bus tab
in conjunction with the standard card audio routing controls to provide a
mono-mixed channel from a 5.1 stream received from a Dolby
®
decoder 5.1
feed, as well as a separate mono mix from an embedded channel pair,
resulting in two embedded output channels correspondingly carrying these
two individual mono mixes. Note that the source and destination correlations
shown here are only examples; any source handled by the card can similarly
route to any destination.
Figure 3 Audio Mixing Bus Example (Sheet 1 of 2)
Figure 3, sheet 2 shows the card control settings (using DashBoard™) that
result in this routing.
–3 dB
–3 dB
+
+
–3 dB
–3 dB
+
+
–3 dB
–3 dB
+
+
Ch1 (L)
Ch 2 (R)
Ch 3 (C)
Ch 4 (LFE)
Ch 5 (Ls)
Ch 6 (Rs)
Dolby
®
Decoded E5.1
Mono
Mixer A
Mix Bus A OUT
Audio
Embed
SDI OUT
Emb Ch 1
Emb Ch 2
Silence
Emb Ch 3 –
Emb Ch 16
–3 dB
–3 dB
+
+
Mono
Mixer B
SDI IN
Audio
De-Embed
Emb Ch 1
Emb Ch 2
Mix Bus B OUT
A-Input 1
A-Input 2
A-Input 3
A-Input 4
A-Input 5
A-Input 6
B-Input 1
B-Input 2
B-Input 3
—
B-Input 6
Silence
Mono
Mixer F
•
•
•
OPT-SW-AMX-MS (V2.1) AUDIO MIXING BUS (+AMX) OPTION MANUAL SUPPLEMENT 9
Figure 3 Audio Mixing Bus Example (Sheet 2 of 2)
Using the Audio Mixing Bus tab, the six Dolby
®
decoded channels to be mono-mixed are routed to respective
source inputs Bus A Input 1 thru Bus A Input 6. This results in these six inputs being mono-mixed on Bus A.
In this example, the
required –3 dB gain
of each input is set
using the individual
input channel Gain
(dB) controls. (Gain
can be set using the
slider controls or
numerically
entered.)
In this example, Emb Ch 1 and Emb 2 are mono-mixed into a separate bus by routing these sources to the
Bus B Input 1 and Bus B Input 2 inputs. This results in these two inputs being mono-mixed on Bus B.
The unused inputs for this and other buses can be set to Silence as shown.
Using the Embedded Audio Group 1/2
tab, the mixer bus channel outputs
(Mix Bus A and Mix Bus B) can be
routed to Emb Ch 1 and Emb Ch 2 as
shown in this example.
Note that the parametric controls in this
tab can be used as post-mix master
controls for the mixed outputs.
6-1x4MIX_EX1.PNG
6-1x4MIX_EX2.PNG
Cobalt Digital Inc.
2406 E. University Ave.
Urbana, IL 61802
Voice 217.344.1243 • Fax 217.344.1245
www.cobaltdigital.com
OPT-SW-AMX-MS (V2.1) Printed in USA
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